TW381256B - Media capture to prevent head damage in a removable cartridge disk drive - Google Patents

Abstract

A disk drive of the type that receives a removable disk cartridge containing a disk-shaped storage medium, comprises an actuator for carrying a pair of opposed read/write heads into engagement with respective opposite surfaces of the disk-shaped storage medium, and a pair of opposed projections disposed adjacent the read/write heads when they are in a retracted position. The opposed projections have opposed angled surfaces that deflect and capture the edge of the disk-shaped storage medium during cartridge insertion to prevent the edge of the storage medium from damaging the read/write heads. The opposed projections are preferably form as part of a load ramp member that is snap-fit to other structure within the disk drive to facilitate assembly of the disk drive.

Description

Printed by the Male Standards Consumer Cooperative of the Central Bureau of Standards of the Ministry of Economic Affairs A7 B7 --------------- ~ --- 5. Description of Invention (/) Related Applications This application is related to the following patent applications The case is related, all of which are incorporated by reference to all of them: No. 08 / S66, 189, filed on May 30, 1997, under the name, an improved operating system for operating magnetic Disc ejection system and head retracting system "(statutory agent's schedule number 9460). No. 08/866, 225 'Application filed on May 30, 1997, entitled" An improved head retracting system The magnetic head used to shrink the disk drive "(statutory agent's schedule no. 9464). No. 0S / 881, 803, filed on May 30, 1997, under the name" Reduction of magnetic flux leakage from magnetic disk drives " "Guiding Magnet" (statutory agent's matter sheet No. 9507) No. 08/881, 805, filed an application on May 30, 1997, with the name "Layer steel return path meets the characteristics of brake support," ( Legal Agent Matter Sheet No. 9508). No. 08 / 866, 190, filed on May 30, 1997, for the application of a dual-circuit soft circuit with the name "Linear Brake," (statutory agent's schedule No. 9509). No. 08/872, 712, 1 An application was filed on May 30, 1997, with the name "Interlocking Bracket Combination of Linear Brake" (Legal Attorney Sheet No. 9511). 'No.'-Filed on May 30, 1997 Application, entitled "Bending Placement System for Friction Reduction and Linearization of Friction in Linear Brakes of Disk Drives" (Legal Attorney Sheet No. IOM-9514) This paper size applies to China National Standards (CNS) Λ4 specifications- . ~ 丨 L ---- ^ ---- f Bu-(Please read the precautions on the back before filling this page}

, 1T line · " ㈣. Called ι · «μ 脚 · __ 圆 _ 丨 丨 丨 丨 丨 丨, 丨 Printed by the Consumers’ Cooperative of the Central Standards Bureau of the Ministry of Economic Affairs * '1 Wood A7 B7 V. Description of the Invention (II) Application No. 08 / 881,807, filed on May 30, 1997, under the name "Regression Path Profile of the Uniformity of the Strengthening Force on the Linear Brake" (statutory agent event sheet number 9516). Application No. 08/866, 180, filed on May 30, 1997, under the name "Protection Frame for Linear Brake Bracket Combination" (Legal Attorney Sheet No. 9517). Application No. 08 / 866,171, filed on May 30, 1997, under the name "Main Lifting Flange of Disk Brake" (statutory agent schedule number 9518). Application No. 08/866, 227, filed on May 30, 1997, under the name "Protection of Magnetic Heads of Disk Drives" (statutory agent's schedule no. 9519). No. 08/866, 167, filed on May 30, 1997, under the name "Self-locating lever to open the shutter of the removable centimeter magnetic disk" (Legal Attorney Sheet No. 9525) . No. 08 / 866,177, filed on May 30, 1997, under the name "Motor Loading System for Disk Drives" (Legal Attorney Sheet No. 9526 ^ No. 08/866, 226, EA An application was filed on May 30, 1997 under the name "Ejection System with Reversed Edges for Ejecting Cassette Disks from Disk Drives" (Legal Attorney Sheet No. 9527). No. 08 / 881,808 The application was filed on May 30, 1997, with the name "the cover of the disk drive" (statutory agent matter sheet number, this paper size is common Chinese national standard. (CNS) Λ4 specification (210X297 ^ t ) I (Please read the notes on the back before filling out this page) Order ^ 1. Printed by the Central Standards Bureau of the Ministry of Economic Affairs and Consumer Cooperatives A7 B7 _ _ 5. Description of the invention (3) 9547) °, Background of the invention

I. Field of the Invention The present invention relates to computer storage devices, such as magnetic disk drives, and more particularly, to devices used to drive the read / write heads of a magnetic disk into or out of a rotating storage medium, and protect The read / write heads are not damaged by vibration, in the case of a removable cartridge, and may be damaged during the time the medium is inserted. The previous description of the drive used to store electronic information is found in a wide variety of computer systems, including workstations, personal computers and laptops and laptops. Such drives can be separate components , Which are connected to the computer system by a computer cable, or they can be internal components that occupy a slot or compartment in the computer system, and can use much larger compartments in most workstations and personal computer cases In comparison, laptop portable computers and notebook computers have relatively small compartments for internal drives and other computer peripherals, and computer peripheral equipment compartments for laptop portable computers and notebooks have a relatively small size. Significant restrictions can be given to designers of internal disk drives used in such computers. 'Techniques that emphasize and overcome these size limitations are important.% Drives that accept the removable 4mm disk type have been Becomes more and more popular, an already very successful drive product is a ZIP ™ disk produced and manufactured by Iomega Corporation As the trustee of the present invention, the zip ™ drive accepts variable magnetic storage paper containing information that can be written and read on it. The paper size is suitable for the Chinese national standard (CNS (2 丨 0Χ297 ^ 楚) ~ — ( Please read the precautions on the back before filling in this page) Order \ Printed by the Central Standards Bureau of the Ministry of Economic Affairs and printed by Aigong Consumer Cooperative A7 ____________B7__ V. Description of the Invention (4) Mobile disk cartridge for storage media, disc-shaped storage The medium is placed on the freely rotating axle in the cassette. When the cassette is inserted into the drive, the spindle motor in the drive is engaged with the cassette axle in order to rotate the storage medium at a relatively high speed. When the drive is inserted, the shutter on the front edge of the cartridge is moved aside, so the opening is exposed, and the read / write head of the drive moves through it to access the recording surface of the rotating storage medium. When the cartridge is outside the drive, the shutter covers the access opening of the head. To prevent dust and other impurities from entering the caliper and depositing on the recording surface of the storage medium, the ZIPTM drive is currently stored separately or internally. For workstations and personal computers, in order to provide ZIPTM drive versions for use in laptops and laptops, the size limitations of such computer peripheral compartments must be considered, especially for internal The disk drive works with most laptop and laptop compartments. The disk drive must be no longer than 135 mm, and the height of the disk drive must be within the range of 12 mm to 15 mm. These sizes open up many of these disk drive design constraints and create a variety of design problems. The various perspectives and features of the present invention emphasize and overcome several of these problems. In particular, ZIP ™ disk drives make use of A pair of facing read / write heads is used to record and retrieve information on both sides of the storage medium in the ZIPTM drive. The face-to-face read / write heads are configured #bendable on the transmission rod The ends of the respective brake arms, which allow the heads to fly over the respective surfaces of the rotating disks. In the currently available domestic and foreign versions of ZIP ™ drives, load / release ramps are applied to Separate read / write heads, when the head brake is moved to the retracted position, where the head is removed from the storage medium ---------------. .. ___________--This paper size applies Chinese national standard cross .. ((: NS) Λ4 specification (210 X: 297 male 1) (Please read the note on the back before filling this page)

Central Standards Bureau of the Ministry of Economic Affairs®: Printed by the Industrial and Consumer Cooperatives ¾ A7 B7 V. Description of the invention (5) The edge of the agency has been moved back. This process is described, for example, usually designated, examined (Patent Application No. 08 / 324,895, filed on October 18, 1994, under the name "Head In./Release and Destroy in Data Storage Equipment", as revealed by the wing-loading levers attached to the brakes The plate flexibly moves upwards through the facing ramp arranged in the disk drive. When the carriage of the linear brake moves forward and away from the disk drive, when the magnetic head moves towards the disk, the wing plate goes down through the facing ramp. In a controlled manner, the magnetic head is brought together on the magnetic disk. When the linear brake is withdrawn from the disk drive, the wing plate upwardly separates the magnetic head through the facing slope. At this retracted position, the cassette disk can Are inserted and removed from the drive without damaging the read / write heads as they are retracted a sufficient distance backwards from the edge of the cartridge media, U.S. Patent No. 4,663,683 (McNdl) discloses Another knot The structure, in which the wing plate mounted to the loading lever constituting unit moves upwards through the inclined surface, or cam, to move the read / write head of the disk drive on and off the rotating storage medium. The brake disclosed in No. 663,683, and generally designated U.S. Patent No. 5,530,607, the wing is a separate unit that must be assembled or loaded into the load lever element within the time of manufacture of the disk drive . Because the ZIPTM drive version that can be used in laptops and laptops is preferably only 135 mm in length: and because the ZIPTM + centimeter size has been created ', in such drives There is not enough space to fully retract the magnetic head from the storage medium. As a result, there is a mechanism that needs to protect the magnetic head during the time of insertion or removal of the centimeter disk. In addition, when the disk drive is subject to vibration or extreme shaking, the vertical The size limit of this paper is increased. The size of this paper is China State Standard (CNS) Λ4 size (210X297 mm) (Please read the precautions on the back before filling this page)

1T line Γ: · Printed by A7 _______ B7 of the Male Workers Consumer Cooperatives of the Central Standards Bureau of the Ministry of Economic Affairs V5. Description of the Invention (V) 'The possibility of the read / write head being damaged, which may occur on the operating knee _ In the time of a portable computer or a notebook computer, many new and inventive aspects of the present invention emphasize this problem. Also due to size constraints and the complexity of the disk drive equipment, there is a need to simplify the assembly process and reduce disks The number of machine parts, another aspect of the invention meets this need. SUMMARY OF THE INVENTION The present invention is directed to a device used to enter or release a read / write head of a disk drive on and off a rotating storage medium, and to protect the read / write head from damage caused by vibration, and In the case of a removable cartridge disk drive, possible damage when the medium is inserted β According to an aspect of the present invention, the brake engaging the read / write head of the carrying disk drive and the storage medium engages with a read / write A combination of a carriage of a load transmission rod on which the magnetic head is placed, a wing plate extending from the load transmission rod and formed immediately and integrally thereon, leading to read / write on the surface of the storage medium The inclined surface of the magnetic head position is formed. By integrating the loading drive rod and the wing plate, the number of parts of the disk drive is reduced, which reduces the cost. In addition, the process of assembling the disk drive is simplified, such as connecting separate wings. The step of mounting the plate to each loading lever, as done in the prior art, is eliminated. According to another aspect of the present invention, a pair of facing protrusions are arranged adjacent to the read / write head of the magnetic disk drive when the magnetic head contracts. The facing protrusion has a relative angle surface that tilts and catches the edge of the storage medium in the cartridge, to prevent the edge of the storage medium from being damaged during the time when the cartridge is inserted into the drive. Into the magnetic head, in a preferred embodiment, the facing protrusion is formed as a complete wing of the loading transmission lever including the brake lever. 'This paper size applies to the Chinese national standard ((: NS) Λ4 specification (210X297 ^ «)). .---.---------- Bu'Bu | (Please read the precautions on the back before filling this page) Binding line A7 B7 _ V. Description of the invention () A part of the loading ramp loading unit is included. In one embodiment, the loading ramp unit has a pair of protrusions from opposite sides.

The fast motion of the facing element extending from the edge of the constituent element of I, the central portion of the loading ramp constituting element is hollowed out to form a curved center, so the pressure exerted on the facing protrusion causes a pair of opposite quick motions to separate. Helps load and unload ramp construction units to and from other structures in the drive. According to yet another point of the present invention, a pair of obstacles are disposed on the facing side of the loading drive lever of the disc brake to limit the lateral movement of the loading drive lever to prevent the read / write head from being damaged. When the drive is subject to vibration in the lateral direction. In the preferred embodiment, each obstacle is disposed near the end of the wing plate on the brake loading transmission lever adjacent to the opposite one, and is operated to limit the lateral movement of the wing plate. In the preferred embodiment, the obstacle is Formed as part of the loading ramp constituting unit described above, and more particularly, may be formed as a part of the protrusion that tilts and captures the facing of the storage medium. According to yet another aspect of the present invention, the bracket assembly of the disk brake is a load transmission rod with a small stabilizer wing extending from its end to the end. ----- P- (Please read the precautions on the back before filling out this page) Icon,. Has the closest end to the end of the loading lever and has a read / write head mounted on it The device is composed of a ring frame, and the small stabilizer wing loaded into the transmission rod is forbidden to form a unit at the end of the ring frame through its extension. When the bracket assembly is subjected to vibration along the vertical axis, it is forbidden to touch the small stabilizer wings to prevent excessive movement of the ring frame in this direction. These and other features and advantages of the present invention will become apparent later. The drawings are simply explained. When read in conjunction with the attached drawings, the previous summary and the immediately preferred embodiment of this paper are applicable to China National Standards (CNS) Λ4 specifications (210X29 ^ 5 ^). Print A7 '___; _ 5. The description of the invention description U) is best understood. In order to illustrate the present invention, the presently preferred diagrammatic embodiments are shown, but it should be understood that the present invention is not limited to the disclosure Specific method or equipment. In the drawings: the first diagram shows an exemplary disk drive to which the features of the present invention are applied; the second diagram is an enlarged perspective view of the disk drive portion of the first diagram, showing a loading ramp constituting unit according to the present invention; The three pictures A and B respectively show the front and rear perspective views of the loading unit of the second picture; the fourth picture A is a problem that occurs when the edge of the storage medium is vertically compensated during the time when the cartridge is inserted. The fourth figure B is a side view of the loading ramp constituting unit in the second figure, illustrating the media catching feature of the present invention; the fifth figure is a top view of the brake bracket assembly and the loading ramp constituting unit. Figure 6 is an exploded combination diagram of a magnetic head ring assembly according to a preferred embodiment of another aspect of the present invention; Figure 7 is a perspective view of the magnetic head ring assembly in the sixth figure; Figure 8 is a loading ramp structure according to the present invention A perspective view of another embodiment of the unit; and the ninth figure is a side view of the loading ramp constituting unit $ in the eighth figure, illustrating that it is mounted to the external regression path structure. The detailed description of the preferred embodiment is with reference to the drawings, in which the same numbers always indicate the same components. In the first figure, the exemplary disk drive 10 to which the present invention is applied is shown. Dimensions are applicable to China National Standards (CNS) Λ4 specifications (210 X 297 mm) (please read the notes on the back before filling out this page), ιτ A7 B7 V. Description of the invention (7) The relative guide track is formed by 晷 有12a, 12b is composed of a U-shaped outer edge chassis 14 that guides a movable cartridge disk (not shown) relative to the guide track. Ί-Enter the disk drive through the opening 22. In the embodiment of the present invention The chassis is metallic, and the thin metal cover (not shown) of the disk drive 10 has been removed, so that the constituent units inside the disk drive are visible. The cassette disk blocking lever 28 and the ejection lever 30 are rotatably placed on the tray. When the cassette disk is completely inserted into the drive, the levers 28 and 30 are shown in the first figure. In the occupied position, the shutter lever swings from the forward position to the position shown in the first figure during the time when the cartridge is inserted. During this moving time, the transfer surface on the shutter lever 28 engages the cassette. And move the movable shutter to the side to expose the magnetic head access opening on the outer peripheral edge of the front of the cartridge disk. When the cartridge disk is inserted, the eject lever also moves from the forward position to the first position. The position shown in the figure, in the position shown in the first figure, the eject lever is in the upright position under the condition of spring compression. When the cartridge disk is ejected from the drive 10 and is required, the eject key 24 is depressed, which causes, among other things, the ejection lever 30 to be released from its upright position, causing it to pop forward to force the cartridge disk to exit the drive backwards. The magnetic disk drive 10 also has a linear brake 16 disposed on the rear of the chassis 14. The linear brake 16 is composed of a replacement coil motor including a coil 31, an outer magnet return path combination 34, and a k-bracket combination 32 on the bracket combination 32. The two internal return path constituent units 36a and 36b on the opposite side are composed. When the cartridge disk is inserted into the disk drive 10, the bay combination 32 carries a pair of read / write heads 38 on the cartridge disk. Medium disc-shaped storage media record sheet This paper size applies to the Chinese national standard (CNS) Λ4 specification (210X297 gram). -------------- in _ ~! (Please read the back Please fill in this page for matters needing attention.) Order printed by the Central Standards Bureau of the Ministry of Economic Affairs, printed by the Shellfish Consumer Cooperatives.衣 A7 B7 V. Description of the invention (,.) Surface ±, the spindle motor 20 is provided on the bottom of the chassis 14, and during the time when the cartridge magnetic disk is inserted, the spindle motor 20 is vertically transferred into the cartridge magnetic The axles of the dishes are engaged. In order to rotate the disk-shaped storage medium at a relatively high speed, the circuit board 26 is mounted on the chassis 14 via a group of quick-actions (not shown). The circuit board 26 contains the driving circuit, and the gear series mechanism 18 controls The movement of the eject lever 30 and when the drive is not in use, the carriage combination 32 is moved to the parking position to prevent the movement of the head shrinkage mechanism (not shown) that damages the read / write head 38. The second picture is the first The enlarged view of the magnetic disk drive in the figure shows a part of the outer return path combination 34. The loading rods 46a, 46b are extended above and below the bracket combination 32, and the loading ramp constituting unit 40 is connected to the outside. The return path combination 34 is more suitable, although the loading ramp constituting unit 40 may be connected to any other suitable structure in the drive 10, and more suitably, the loading ramp constituting unit 40 is formed of a thermoplastic substance. In In the preferred embodiment, the loading ramp constituting unit is formed of a polycrystalline carbonate filled with a small percentage of PTFE (such as lubricating oil). However, any suitable material can be applied. Refer to the second, third and fourth figures. Figure B. The loading ramp constituting unit is connected to the outer return path combination 34 by a series of snap action 58a, 58b, 60a, and 60b. The outer magnet return path combination 34 and the inner magnet return path constituting unit 36a, 36b are further structured. Details can be found in the usual designation, patent application 'Application No. 08/881, 805, titled "Layer steel return path meets brake support characteristics" (legal agent event form number IOM-9508), each of which is A couple of references are here by reference to it all. -'Β (Please read the notes on the back before filling this page)

This paper scale is applicable to the Chinese National Standards (CNS) Λ4 specification (210X 297 mm) __________. _ ___ ___1___ __________. _ ___ ___1___ A7 B7 printed by the Office of Consumers ’Cooperatives of the Bureau of Missing Rates in the Ministry of Economic Affairs 5. Description of the invention (ι 〇 .... the loading ramp constituting unit 40 has a first position disposed on one side of the load transmission lever; opposite facing inclined surfaces 52a, 54a and the other side disposed on the load transmission lever 46a, 46b The second pair of facing inclined surfaces 52b, 54b, the wing plate 48 is connected to the upper load transmission rod 46a, and through the inclined surfaces 52a and 52b, a similar wing plate 50 is connected to the lower load transmission rod 46b, It passes over the inclined surfaces 54a and 54b. When the centrifugal disk has been inserted into the drive 10, the tray assembly of the drive moves toward the cartridge disk. When the tray assembly moves forward, the The wing plates 48, 50 on the driving rods 46a, 46b carry the opposite read / write heads 38a, 38b and the storage medium in the cartridge disk through the opposite inclined surfaces 52a, b and 54a, b. The opposite surfaces engage, and when the cassette is about to be ejected, the carriage combination 32 moves back to In the retracted position, when the carriage assembly 32 is moved backward, the wings 48, 50 lift the opposing magnetic heads 38a, 38b away from the surface of the storage medium through the 'inclined surfaces 52a, b and 54a, b backwards, and the surface of the storage medium is lifted. One aspect of the invention is that the wings 48, 50 are integrally formed on their opposite loading levers 46a, 46b. In a preferred embodiment, the loading levers 46a, 46b and their opposing wings 48, 5 〇It is made of metal, and the raised wing 48 '5G surface contacting the relatively inclined surfaces Ua, 52b and Ma, Mb is surrounded. It is more appropriate to load the lift wing integrated with Chuanheng rod 46a, 46b and its door. The cores 48 and 50 are formed of stainless steel, and the blanks of the transmission rod and the integrated wings are firstly etched by a thin piece of stainless steel, and then etched with conventional methods to achieve the stomach shape illustrated in the figure. Etching It is more appropriate to form a stainless steel sheet into the loading transmission rod, such as the paper rule CNS) M specifications (210- / 2971 ^ cent)-(Please read the precautions on the back before filling this page)

Central ## Bureau of the Ministry of Economic Affairs only works to eliminate the cooperatives' Indian slaves A7 B7 5. Description of the invention. l) The same error can be controlled more strictly, in other words, the loading transmission rod can be formed separately by the inscription process, although this is less suitable, t, by integrally forming the wings and the load The number of parts is reduced when the rail is inserted, and the cost is reduced. In addition, the drive assembly process is simplified, such as the step of connecting separate wings to each loading lever. Drive cartridge media capture because drive 10 must have a length of not more than one hundred and thirty-five millimeters. In order to fit most laptop portable and notebook computer peripheral drive compartments, there is no Enough space is large enough to shrink the read / write heads to wipe out the edges of the storage media in the cartridges, so in their parking positions, the heads will be placed on the edge of the storage media because During the disk insertion time, the vertical position of the medium may change. Due to some considerations, without some form of protection, it is possible that the edge of the storage medium passes upwards over one of the read / write heads, which may cause fine metal. The line (sometimes referred to as the service circuit) is damaged, which travels along the edge of the loading lever from the magnetic head to the drive electronics. This problem is illustrated graphically in the fourth figure A. As shown, the circle Disk-shaped storage medium 59, which is connected to an axle 62 in a cartridge disk (not shown), may leave the position vertically during the cartridge insertion time, so that it passes upwards for reading / writing One of the heads may also cause damage to the service path of that head. According to a preferred embodiment of the first aspect of the present invention, the loading slope constituting unit 40 has a pair of facing protrusions 42a, 44a fD disposed on facing edges of the facing facing inclined surfaces 52a, 54a and 52b, 54b. 4_2b > 44b ^ __--- ', referring to the fourth figure B, these protrusions 42a, b and 44a, b are from the medium 59 (please read the precautions on the back before filling this page). Standards apply to China's National Standards (CNS) A4 specifications (2 丨 OX 297 mm) Printed by the Consumers ’Cooperative of the Central Standards Bureau of the Ministry of Economic Affairs A7 B7 V. Description of the invention (0) Reading of edge-protected disk drive 10 / The write heads 38a, 38b, during the insertion time of the cartridge, by providing the surfaces 43 and 45 at a relative angle, they tilt the edge of the disk-shaped storage medium 59 during the insertion time, and The edge of the storage medium is caught between the edges, so that the edge of the medium 59 is prevented from contacting the magnetic head. In a preferred embodiment, the dimensions A and B of the fourth figure B are approximately 0.9 mm and 3.0 mm, respectively. Although these dimensions may be different in other embodiments, although the preferred embodiment Projections 42a, 44a, 42b and 44b are formed as a part of the loading ramp section 40 is configured, which can also be separately or in the disk drive and the other structure is formed. Obstacle prevention + anti-direction movement Because laptop and laptop computers are often susceptible to vibration, for example, when they are accidentally dropped or shaken, they have the opportunity to read / write head holders The rack combination may move up, down, left and right in the disk drive. Excessive movement of the carriage combination 32 may cause damage to the read / write heads 38a, 38b. For example, excessive lateral movement of the loading transmission rods 46a, 46b The read / write heads 38a, 38b may be brought into contact with the edges of the inclined surface of the loading ramp constituting unit 40, and serious damage may be caused. Referring to the fifth figure, according to a preferred embodiment of another aspect of the present invention, obstacles 56a and 56b are placed on the opposite ends of the loading levers 46a, 46b of the wing plates 48, 50 to prevent the excessive Lateral movement. In the current embodiment, the obstacles 56a and 56b are formed to protrude 42a, 44a and 42b, 44b. In the fifth figure, 'the obstacles 56a and 56b can be seen to prevent the flaps 48. 50, excessive lateral movement prevents the magnetic heads 38a and 38b from contacting any structure of the loading ramp constituting unit 40. This paper is in accordance with the China National Standards (CNS) standard Λ4 (210X297 mm) (please read the note on the back before filling out this page) --1 Military Industry Consumption Cooperation Department of the Central Standards Bureau of the Ministry of Economic Affairs, printed A7 B7 5 Explanation of the invention (Pin). The obstacles 56a and 56b must be separated far enough to provide the flaps 48, 50-study clearance, so that contact between them is avoided during the normal operation time of the bracket assembly 32, but They must be close enough to prevent the ends of the wings 48, 50 from slipping off their opposite inclined surfaces 52a, 52b, 54a, 54b. In the current embodiment, the distance between each of the wings 48, 50 is approximately six points Six millimeters, and the distance between the obstacle and _ 56b is about 7.19 millimeters, and the inclined surfaces 52a and 52b (like the lower inclined surfaces 54a and 54b) have about 4.4 millimeters between them The diameter, the width of each inclined surface 52a, 52b, 54a, 54b is approximately 1.4 mm. Also honey_ The sixth figure is an exploded view of the bracket assembly 32. In particular, the upper loading transmission rod 46a, the upper ring frame 64a and the upper read / write head 38a are displayed, and the ring frame 64a is shown. It is preferably formed of stainless steel, and is formed using the etching and engraving process for loading drive rods 46a, 46b and integrated wings 48, 50 as described above. Additional details of the structure of bracket assembly 32 can be found In the usual designation, patent application number ____, filed on May 30, 1997. The name is "Bending device system for friction reduction and friction linearization in linear brakes of magnetic disk drives" ( The legal agent's item list number is IOM-9514), which is incorporated herein by reference to the nearest end point (not shown) of all the ring frames 64a, which is connected to the load transmission rod 46a by the method of $. The opposite end 65 of the ring is not connected to the loading transmission rod 46a, so it can move freely. When the ring frame 64a is bent under force, the read / write head 38a is connected to the curved portion 72 of the ring frame 64a. 'Also in a conventional way, the seventh picture shows all the combinations, To end 65 of the ring frame 64a can be (please read the note and then fill in the back of this page)

This paper size is applicable to Chinese National Standard (CNS) Λ4 specification (210X297 mm) Printed by Ai Gong Cooperative Co., Ltd., Central Standards Bureau of the Ministry of Economic Affairs A7 B7 _ »5. Description of the invention (丨 y) Freely move, the bracket combination 32 along Excessive vibration along the vertical axis may cause the ring frame 64a and the magnetic head 38a to bend downward (in the direction of arrow 69). In this direction, excessive bending of the ring frame 6 may cause unnatural deformation in the ring frame 64a, causing permanent damage. . According to a preferred embodiment of an additional aspect of the present invention, the loading transmission lever 46a has a small stabilizer wing 66 extending from its distal end to the distal end, and the ring frame 64a has a blocking constituting unit 68 at its distal end. 68 has a window 70 through which the small stabilizer wing 66 loaded into the transmission rod 46a extends, so that the blocking unit 68 prevents the small stabilizer wing 66 from catching up through the window 70, such as the 'stop structure' which can be appreciated from the sixth and seventh figures The unit 68 loads the small stabilizer wings 66 that are more difficult to bend into the transmission lever 46a. When the bracket combination 32 is subjected to vibration along the vertical axis, it prevents excessive vertical movement of the ring frame, which prevents unnaturalness in the ring frame under extreme vibration. Of deformation. In the current embodiment, the constituent units are prevented from being integrally formed with the ring frame, and are bent from the plane of the ring frame. In addition, the constituent units are generally rectangular in the preferred embodiment. It should be understood that It has other shapes, such as oval or circular (not shown), and in other embodiments, the blocking component may be a separate part disposed at the end of the ring frame, as opposed to the integrated structure disclosed herein. The alternative manned oblique mandrel is shown in the eighth figure. Jpc enters the X loading ramp constituting unit 40 ′. An alternative embodiment. According to another preferred embodiment of the present invention, in this embodiment, The entering slope constituting unit 40 'has two pairs of facing fast-moving 58a, 60a, and 58b', 60b ', and relatively protrudes from the edge of the constituting unit 40, 42a, 4 such as and ... This paper size applies to China National Standards (CNS) Λ4 specifications (210X297 / ^) —--^ --------- (Please read the precautions on the back before filling this page), 1T Central of the Ministry of Economic Affairs Standard Bureau employee consumer cooperative printed A7 B7 V. Invention description (/ 6) 42 knowledge, 44b extension, in this embodiment, each two pairs of fast-moving 58a ', 60a' facing the slope constituting unit 40 'are loaded And 58b ', 60b' are bitten and installed relative to the transmission levers 76, 78 formed in the opening 79 in the return path 34 'of the outer magnet. Referring to the eighth and ninth figures, the loading ramp constituting unit 40' faces each pair. The fast acting 58a ', 60a' and 58b ', 60b' have a hollow central portion 81, and similarly protrude 42a, 44a, and 4 in each pair 2b and 44b have a hollow portion 83. The main body of the loading slope constituting unit 40 'and its hollow center portion 81 form upper and lower centers 84a and 84b. The outlines are shown by thick lines. When the pressure is in the direction of arrow 80, Were added to the facing protrusions 42a, 44a, and the centers 84a, 84b were bent, causing the facing fast movements 58a ', 60a' to separate in the direction of the double arrow 85. This ability to load the slope constituting unit 40 'may be used to help The loading slanted glass constituting unit is attached to and detached from the driving rods 76 and 78 of the return path 34 'of the outer magnet, and the force can be applied to face the protrusions 42a, 44a and 42b, 44b (in the direction of the arrow · 80). By the user's finger or a suitable bender or tool. Referring to the ninth figure, in order to facilitate the connection of the loading levers 76, 78 loaded with the ramp constituting unit 40 'to the outer magnet return path 34', angled surfaces 86a and 86b are provided above and below the snap action 58a ', 60a' On the inner edge of the (also on the fast-acting 58b ', 60b' not shown in this figure), when the loading ramp constituting unit 40 'is pushed onto the transmission rods 76, 78, there is an angle within the combined time The surfaces 86a and 86b (on the two pairs of facing fast-moving 58a ', 60a' and 58b ', 60b') will engage the angles relative to the transmission levers 76, 78, with particular reference to the fast-moving shown in the ninth figure 58a ', 60a' and transmission rod 76, L ---------- This paper size applies to Chinese National Standard (CNS) Λ4 specification (2 丨 0 X 297 mm) (Please read the precautions on the back first (Fill in this page again) Customized · Printed by the Central Bureau of Standards of the Ministry of Economic Affairs and Consumer Cooperatives A7 B7 V. Description of the invention (β) The meshing of the angled surfaces 86a and 86b with the 76 angle of the transmission rod, Unit 40, the continuous force of the return path 34 'of the outward magnet will force Force I, the centers 84a and 84b to bend apart until they are opposite The innermost top ends 87a, 87b 'of the movements 58a, 60a, remove the angle of the transmission rod 76, load the slope forming unit 40', and then push it onto the opposite transmission rods 76, 78 until the top ends 87a, S7b bite With respect to this angle of the transmission lever, as shown in the ninth figure, according to this point of the present invention, the loading ramp constituting unit 40 ′ can be easily attached or detached from the transmission levers 76 and 78 by the arrow 80 Apply pressure to the relative protrusions 42a, 44a and 42b, 44b in the direction of the direction, causing the fast-moving 58a, 60a, and 58b ', 60b' to be separated far enough so that the fast-moving tips (such as the tips 87a and 87b) eliminate the relative transmission rod 76 , 78's top and bottom edges. As mentioned above, the present invention is directed to a device used to enter or release a read / write head of a disk drive on and off a rotating storage medium, and to protect the read / write head from damage caused by vibration, And in the case of a removable cassette drive, the damage that may be caused when the medium is inserted, another aspect of the present invention is directed to the technology of parts reduction and simplified manufacturing, and it should be understood that

I The changes caused by the embodiment described above do not deviate from its broad inventive idea 'For example, although there are two pairs of facing protrusions 42a, 44a and 42b, 44b' End points, in other embodiments, may have more or less number of facing protrusions. In addition, many aspects of the invention described herein may be applied to magnetics including rotatable read / write head actuators. In the disc player, the present invention is by no means limited to the particular shape of the structure disclosed herein with respect to the linear brake shown in the figure. In addition, although the loading ramp constituting unit 40 of the present invention is shown, by way of example, such as This paper size can be deducted from the Chinese National Standard (OMS) Λ4 specification (210X297 gong) Dream — (Please read the notes on the back before filling this page) Order A7 B7 V. Description of the invention (丨?) Connect to the drive The external magnet return path combination of the load ramp unit can be connected to any suitable structure in the drive. For example, the special bending device that houses the load ramp unit can be formed on the magnetic In the machine, so the present invention is neither limited to the particular embodiments disclosed, but is intended to cover all modifications from the spirit and scope of the appended patent as defined by the scope of the. (Please read the precautions on the back before filling this page) Order Printed by the Central Bureau of Standards of the Ministry of Economy, Male Workers' Consumer Cooperatives-ί-This paper size applies to the Chinese National Standard (CNS) Λ4 specification (210X297 mm)

Claims (1)

6. Scope of Patent Application Printed by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economics 1. A magnetic disk drive for receiving a removable cartridge magnetic disk containing a disk-shaped storage medium having a facing surface and a periphery, the magnetic disk The machine includes: a brake for carrying a pair of read / write heads to engage with the opposite surface of the disc-shaped storage medium, and when the cartridge disk is not inserted into the disk drive, the brake moves the read / Write head to the retracted position; and a pair of protrusions disposed closest to the retracted read / write head, each of which has an angled surface to tilt the periphery of the disc-shaped storage medium, when the cassette type When a magnetic disk is inserted into the disk drive, in order to capture the periphery of the storage medium, the periphery of the storage medium is prevented from damaging the read / write head. 2. A disk drive for receiving a removable cartridge disk containing a disk-shaped storage medium having a facing surface and a periphery, the disk drive including: a brake for carrying a pair of read / The writing head is engaged with the facing surface of the disk-shaped storage medium, and the brake is composed of a pair of reading / writing heads on which the transmission rods are placed above and below; A pair of slopes for engaging the wings of the loading lever to the position of the read / write head on the facing surface of the storage medium; and a pair of Protrusions close to the slope, each of which has an angled surface to tilt the periphery of the disc-shaped storage medium. When the cartridge disk is inserted into the drive, and to capture the periphery of the storage medium, prevent the storage The periphery of the medium damages the read / write head. 3. A loading ramp constituting unit for a disk drive, which is composed of a pair of read / write head inclined surfaces that help to enter and release in the disk drive, and the paper dimensions are applicable to the Chinese National Standard (CNS ) A < 1 size (210 X 297 mm) I, ------ install -------- order --------- (please read-on the back first) (Fill in this page again) 6. Scope of Patent Application Printed by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economics 1. A magnetic disk drive for receiving a removable cartridge magnetic disk containing a disk-shaped storage medium having a facing surface and a periphery, the magnetic disk The machine includes: a brake for carrying a pair of read / write heads to engage with the opposite surface of the disc-shaped storage medium, and when the cartridge disk is not inserted into the disk drive, the brake moves the read / Write head to the retracted position; and a pair of protrusions disposed closest to the retracted read / write head, each of which has an angled surface to tilt the periphery of the disc-shaped storage medium, when the cassette type When a magnetic disk is inserted into the disk drive, in order to capture the periphery of the storage medium, the periphery of the storage medium is prevented from damaging the read / write head. 2. A disk drive for receiving a removable cartridge disk containing a disk-shaped storage medium having a facing surface and a periphery, the disk drive including: a brake for carrying a pair of read / The writing head is engaged with the facing surface of the disk-shaped storage medium, and the brake is composed of a pair of reading / writing heads on which the transmission rods are placed above and below; A pair of slopes for engaging the wings of the loading lever to the position of the read / write head on the facing surface of the storage medium; and a pair of Protrusions close to the slope, each of which has an angled surface to tilt the periphery of the disc-shaped storage medium. When the cartridge disk is inserted into the drive, and to capture the periphery of the storage medium, prevent the storage The periphery of the medium damages the read / write head. 3. A loading ramp constituting unit for a disk drive, which is composed of a pair of read / write head inclined surfaces that help to enter and release in the disk drive, and the paper dimensions are applicable to the Chinese National Standard (CNS ) A < 1 size (210 X 297 mm) I, ------ install -------- order --------- (please read-on the back first) (Fill in this page again) Printed by the Intellectual Property Bureau of the Ministry of Economic Affairs and Consumer Cooperatives. 6. Scope of patent application. It is composed of the organization that loads the slope unit to the disk drive. 4. The loading ramp constituting unit according to item 3 of the scope of the patent application, wherein each of the inclined surfaces is disposed on a protrusion extending from the first side of the loading ramp constituting unit, and wherein the loading ramp is bitten The mechanism of the constituting unit includes a pair of snap action extending from the facing side of the loading ramp constituting unit, the opposite first side of which is used to connect the loading ramp constituting unit to the drive via a biting installation. The loading ramp constituting unit as described in item 3 of the patent application scope, wherein the center of the loading ramp constituting unit is hollowed out to form a bending center, where pressure is applied to the protrusion to cause the pair of quick-action to separate to and from the magnetic The disc drive mounts or removes the loading ramp constituting unit. 6. A loading ramp constituting unit for a disk drive, which includes an inclined surface to assist the drive to enter and release a read / write head, and to connect the loading ramp constituting unit to the disk drive. And snap the drive fast. 7. The loading ramp constituting unit according to item 6 of the patent application scope, wherein the quick action extending from the first side of the loading ramp constituting unit, and wherein the loading ramp constituting unit further includes a pair from the opposite first side The protrusions of the constituent units of the face-to-edge extension define the inclined surface. 8. The loading ramp constituting unit as described in item 7 of the scope of patent application, wherein the center of the loading ramp constituting unit is hollowed out to form a bending center, and pressure is applied to the pair of protrusions to cause the snap action to separate to help and Attach or remove the loading ramp constituent unit from the drive. 9. A loading ramp constituting unit of a magnetic disk drive 'comprising a pair of protrusions extending from the first side of a constituting unit having an inclined surface' and a pair of paper standards applicable to the Chinese National Standard (CNS) Al specification ( 210 X 297 mm) (Please read the notes on the back before filling out this page) * 11 ° A8 B8 C8 D8 The Consumers ’Cooperative of the Intellectual Property Bureau of the Ministry of Social Affairs printed the patent application scope. The first side of the constituent unit extended side by side to move quickly to connect the loading ramp constituent unit to the drive and the loading ramp constituent unit. The center is hollowed out to form a curved center, and pressure is applied to the pair of protrusions to cause the snap action to separate to help loading and unloading the loading ramp constituting unit to and from the drive. ίο. The magnetic disk drive according to item 1 of the patent application scope, wherein the pair of protrusions extend from the loading ramp constituting unit. 11. The magnetic disk drive according to item 10 of the patent application scope, wherein the brake comprises a loading transmission rod on which the first ring frame is placed. 12. The magnetic disk drive according to item 11 of the patent application scope, wherein the loading ramp constituting unit includes a pair of angled surfaces for engaging a wing plate extending from a loading driving lever of a brake. 13. The magnetic disk drive according to item 1 of the patent application scope, wherein the brake comprises a first loading transmission rod on which the first ring frame is disposed and a second load on which the second ring frame is disposed. Into the transmission rod. 14. The magnetic disk drive according to item 13 of the patent application scope, wherein the brake includes a first wing plate extending from the first load transmission lever and a second wing plate extending from the second load transmission lever. I5. The disk drive according to item I4 of the patent application scope, wherein the pair of protrusions extend from the loading ramp constituting unit. 16. The magnetic disk drive according to item I5 of the patent application scope, wherein the loading ramp constituting unit comprises a first pair of inclined surfaces for engaging the first wing plate of the first loading transmission lever and a second pair for engaging The inclined surface of the second wing plate of the second loading lever. I7 · The magnetic disk drive described in item 10 of the scope of the patent application, which is loaded.: -............ ltbniEK --- PE-E- ~-^---Λ__y ^ —1 · V '----- I --------------- Order --—— — — — — (Please read the Jiang Yi matters on the back before filling this page) A8 B8 C8 D8 VI The scope of patent application for the slope constituting unit further includes a group of fast-acting for connecting the loading slope constituting unit to the disk drive. 18. The disk drive according to item 17 of the scope of the patent application, wherein the quick action is used to connect the loading ramp constituting unit to the external regression path combination arranged in the disk drive. 19. The magnetic disk drive according to item 2 of the scope of patent application, wherein the pair of slopes and the pair of protrusions are arranged on a loading slope constituting unit. 20. The disk drive described in claim 19, wherein the loading ramp constituting unit further comprises a group of snap-actions for connecting the loading ramp constituting unit to the drive. 21. The disk drive according to item 20 of the patent application scope, wherein the quick action is used to connect the loading ramp constituting unit to the external regression path combination arranged in the disk drive.卩 LPESUtiE · — * 11 ·;-·-· _-.- > _ > 1 = --..... hi ·.: H ί ..... l ·. · I j ---- Clothes -------- Order --------- line (please read the business matters on the back before filling out this page) Printed by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs ^ Paper standards apply to Chinese national standards (CNS) A4 size (210 X 297 mm)